CN205882959U - Electronic jar of second grade - Google Patents
Electronic jar of second grade Download PDFInfo
- Publication number
- CN205882959U CN205882959U CN201620703043.0U CN201620703043U CN205882959U CN 205882959 U CN205882959 U CN 205882959U CN 201620703043 U CN201620703043 U CN 201620703043U CN 205882959 U CN205882959 U CN 205882959U
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- screw mandrel
- connection dish
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Abstract
The utility model relates to an electronic jar of second grade belongs to electronic jar technical field, provides a compact structure, convenient to use to the shrink size is short, stretches out the electronic jar of second grade that the size is long, and the technical scheme who adopts installs on the cylinder bottom connection pad for the one -level lead screw passes through tapered roller bearing, still is provided with derailleur and driving motor on the cylinder bottom connection pad, and derailleur and one -level lead screw pass through gear to be connected, and gear's outside is covered with the cylinder bottom, the outside cover of one -level lead screw is equipped with the second grade lead screw, and the piston rod is equipped with to outside the overlapping of second grade lead screw, the outside cover of piston rod is equipped with the second grade sleeve, and the telescopic outside cover of second grade is equipped with the one -level sleeve, the utility model discloses extensively be used for electronic jar of second grade.
Description
Technical field
This utility model relates to a kind of second-stage electric cylinder, belongs to electric cylinder technical field.
Background technology
Along with the development of the national economy and the development of Defence business, electric cylinder is the most at home and abroad widely used.For a long time, by
In the electric cylinder of only single-stage driving mechanism, impulse stroke is owing to being limited by the size of cylinder body own, it is impossible to meet bigger work
Make stroke needs；To meet impulse stroke needs by strengthening push rod length size and cylinder body installation dimension, thus to define
Cylinder body is heavy, and push rod is long affects its rigidity, it is impossible to meets and requires that installation dimension is little, needs the occasion that stroke is big.
Utility model content
For solving the technical problem that prior art exists, this utility model provides a kind of compact conformation, easy to use, and
And contraction size is short, stretches out the second-stage electric cylinder of size length.
For achieving the above object, the technical scheme that this utility model is used is a kind of second-stage electric cylinder, including cylinder bottom even
Flange and one-level screw mandrel, described one-level screw mandrel is arranged on cylinder bottom connection dish by taper roll bearing, described cylinder bottom connection dish
On be additionally provided with variator and drive motor, described variator and one-level screw mandrel connected by gear mechanism, described gear mechanism
Outside be covered with cylinder bottom, the outer cover of described one-level screw mandrel is equipped with two grades of screw mandrels, and the outer cover of described two grades of screw mandrels is equipped with piston
Bar, the outer cover of described piston rod is equipped with two-level sleeve, and the outer cover of described two-level sleeve is equipped with one-level sleeve, described one-level set
Cylinder is fixed on cylinder bottom connection dish, and described two grades of screw mandrels and two-level sleeve are each attached on one-level connection dish, and described one-level connects
Dish is sleeved on one-level screw mandrel, and described one-level screw mandrel is provided with the fixing connection of one-level nut, one-level nut and one-level connection dish,
The far-end of described one-level screw mandrel is additionally provided with straight pin, and corresponding two grades of screw mandrel inwalls are provided with for positioning cylinder
The elongated slot of pin, described two grades of screw mandrels are provided with two grades of nuts, and described two grades of nuts are fixing with piston rod to be connected, described one-level set
The end of cylinder is provided with one-level guide cover, and the end of two-level sleeve is provided with two grades of guide covers.
Preferably, angular contact ball bearing between described one-level connection dish and two grades of screw mandrels, described angular contact ball bearing
It is arranged on one-level connection dish by one-level gland.
Preferably, between one-level guide cover and two-level sleeve, two grades between guide cover and piston rod, one-level sleeve and two grades
Fairlead it is provided with between sleeve and between two-level sleeve and piston rod.
Compared with prior art, this utility model has following technical effect that this utility model uses screw mandrel, nut transmission
Effect, promote one-level, second degree of motion simultaneously, thus produce outside thrust on the piston rod.And by straight-line displacement, permissible
Easily by one-level, two grades nestable thus save installing space together, and provide bigger by the effect of secondary transmission
Impulse stroke.In addition the application compact conformation, easy to use, failure rate is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is of the present utility model to stretch out structural representation.
Fig. 3 is in Fig. 2The partial enlarged drawing at place.
Fig. 4 is in Fig. 2The partial enlarged drawing at place.
Detailed description of the invention
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, with
Lower combination drawings and Examples, are further elaborated to this utility model.Should be appreciated that concrete reality described herein
Execute example only in order to explain this utility model, be not used to limit this utility model.
As shown in Figures 1 to 4, a kind of second-stage electric cylinder, including cylinder bottom connection dish 1 and one-level screw mandrel 2, one-level screw mandrel 2 leads to
Cross taper roll bearing 3 to be arranged on cylinder bottom connection dish 1, cylinder bottom connection dish 1 be additionally provided with variator 4 and drive motor 5, becoming
Speed device 4 and one-level screw mandrel 2 are connected by gear mechanism 6, and the outside of gear mechanism 6 is covered with cylinder bottom 7, the outer cover of one-level screw mandrel 2
Equipped with two grades of screw mandrels 8, the outer cover of two grades of screw mandrels 8 equipped with piston rod 9, the outer cover of piston rod 9 equipped with two-level sleeve 10, two grades
The outer cover of sleeve 10 is equipped with one-level sleeve 11, and one-level sleeve 11 is fixed on cylinder bottom connection dish 1, two grades of screw mandrels 8 and two grades of sets
Cylinder 10 is each attached on one-level connection dish 12, and one-level connection dish 12 is sleeved on one-level screw mandrel 2, and one-level screw mandrel 2 is provided with one
Level nut 13, one-level nut 13 and the fixing connection of one-level connection dish 12, the far-end of one-level screw mandrel 2 is additionally provided with straight pin 14, with
Corresponding two grade screw mandrel 8 inwall on be provided with the elongated slot 15 for setting circle pin, two grades of screw mandrels 8 are provided with two grades of spiral shells
Female 16, two grades of nuts 16 are fixed with piston rod 9 and are connected, and the end of one-level sleeve 11 is provided with one-level guide cover 18, two-level sleeve
The end of 10 is provided with two grades of guide covers 19.
Wherein, angular contact ball bearing 20 between one-level connection dish 12 and two grades of screw mandrels 8, angular contact ball bearing 20 passes through
One-level gland 21 is arranged on one-level connection dish 12.Between one-level guide cover 18 and two-level sleeve 10, two grades of guide covers 19 and live
It is provided with fairlead between stopper rod 9, between one-level sleeve 11 and two-level sleeve 10 and between two-level sleeve 10 and piston rod 9
17。
In use, motor is driven to drive one-level screw mandrel to rotate by gear mechanism, simultaneously at straight pin and the work of elongated slot
With lower two grades of screw mandrel synchronous axial system, simultaneously under the effect of one-level nut, two-level sleeve and two grades of screw mandrels stretch out, at two grades of nuts
Effect under, piston rod stretches out, easy to use, compact conformation, takes up room little.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, all should wrap in this utility model model
In enclosing.
Claims (3)
1. a second-stage electric cylinder, it is characterised in that: include that cylinder bottom connection dish and one-level screw mandrel, described one-level screw mandrel pass through circular cone
Roller bearing is arranged on cylinder bottom connection dish, described cylinder bottom connection dish is additionally provided with variator and drives motor, described speed change
Device and one-level screw mandrel are connected by gear mechanism, and the outside of described gear mechanism is covered with cylinder bottom, the outer cover of described one-level screw mandrel
Equipped with two grades of screw mandrels, the outer cover of described two grades of screw mandrels is equipped with piston rod, and the outer cover of described piston rod is equipped with two-level sleeve, institute
Stating the outer cover of two-level sleeve equipped with one-level sleeve, described one-level sleeve is fixed on cylinder bottom connection dish, described two grades of screw mandrels and
Two-level sleeve is each attached on one-level connection dish, and described one-level connection dish is sleeved on one-level screw mandrel, and described one-level screw mandrel sets
Being equipped with the fixing connection of one-level nut, one-level nut and one-level connection dish, the far-end of described one-level screw mandrel is additionally provided with straight pin, with
Corresponding two grade screw mandrel inwall on be provided with the elongated slot for setting circle pin, described two grades of screw mandrels are provided with two grades of spiral shells
Mother, described two grades of nuts are fixing with piston rod to be connected, and the end of described one-level sleeve is provided with one-level guide cover, two-level sleeve
End is provided with two grades of guide covers.
A kind of second-stage electric cylinder the most according to claim 1, it is characterised in that: described one-level connection dish and two grades of screw mandrels it
Between angular contact ball bearing, described angular contact ball bearing is arranged on one-level connection dish by one-level gland.
A kind of second-stage electric cylinder the most according to claim 1, it is characterised in that: between one-level guide cover and two-level sleeve,
Two grades are provided with between guide cover and piston rod, between one-level sleeve and two-level sleeve and between two-level sleeve and piston rod
Fairlead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703043.0U CN205882959U (en) | 2016-07-06 | 2016-07-06 | Electronic jar of second grade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703043.0U CN205882959U (en) | 2016-07-06 | 2016-07-06 | Electronic jar of second grade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882959U true CN205882959U (en) | 2017-01-11 |
Family
ID=57696273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620703043.0U Active CN205882959U (en) | 2016-07-06 | 2016-07-06 | Electronic jar of second grade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205882959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390502A (en) * | 2018-03-13 | 2018-08-10 | 深圳市湘聚实业有限公司 | Big stroke precision second-stage electric cylinder |
-
2016
- 2016-07-06 CN CN201620703043.0U patent/CN205882959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390502A (en) * | 2018-03-13 | 2018-08-10 | 深圳市湘聚实业有限公司 | Big stroke precision second-stage electric cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi Co-patentee after: China Academy of Launch Vehicle Technology Patentee after: Shanxi spaceflight Qinghua Equipment Co., Ltd. Address before: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi Co-patentee before: China Academy of Launch Vehicle Technology Patentee before: Qinghua Machinery Plant, Changzhi |
|
| CP01 | Change in the name or title of a patent holder |